1935 - Robert Watson-Watt first demonstrated RADAR (radio detection and ranging) at Daventry, Northamptonshire.

1939 - The first Anderson air raid shelters appeared. Between then and the outbreak of the war in September, around 1.5 million shelters were distributed to people living in areas expected to be bombed by the Luftwaffe. During the war a further 2.1 million were erected.

1989 - An X-ray examination of a 150 million-year-old fossil egg discovered in Utah has revealed the outlines of what probably is the oldest dinosaur embryo ever found

1965 - The death of Stan Laurel, film comedian, born in Ulverston (which was then in Lancashire but now lies in Cumbria) in 1890. In 1961 Laurel was given a Lifetime Achievement Academy Award for his pioneering work in comedy.

2018 - Analysis of 65,000-year-old cave paintings in Spain revealed that Neanderthals were the first artists long before humans.

1958 - The Peace symbol, commissioned by the Campaign for Nuclear Disarmament was designed and completed by Gerald Holtom. The logo was not copyrighted and later became known in the wider world as a general-purpose peace symbol.

2023 - The 100th birthday of "The House in the Clouds" at Thorpeness, Suffolk. It is 70 feet high and was originally a water supply storage tank for Thorpeness village. Disguised as a house for aesthetic reasons, it is now available as a Holiday Let.

1985 - The first episode of the BBC soap opera, EastEnders was screened. 13 million viewers watched as Arthur Fowler, Ali Osman and Den Watts forced their way into Reg Cox's flat and found Reg near death. Several weeks later Nick Cotton was revealed as Reg's murderer.

1990 - Freddie Mercury made his final public appearance on stage when he joined the rest of Queen to collect the Brit Award for Outstanding Contribution to Music.